681678956

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{2593}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 1403250240

約数和(自身を除く): 721571284

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 229, 287, 458, 574, 916, 1148, 1603, 2593, 3206, 5186, 6412, 9389, 10372, 18151, 18778, 36302, 37556, 65723, 72604, 106313, 131446, 212626, 262892, 425252, 593797, 744191, 1187594, 1488382, 2375188, 2976764, 4156579, 8313158, 16626316, 24345677, 48691354, 97382708, 170419739, 340839478, 681678956]

約数ペア:

[(1, 681678956), (2, 340839478), (4, 170419739), (7, 97382708), (14, 48691354), (28, 24345677), (41, 16626316), (82, 8313158), (164, 4156579), (229, 2976764), (287, 2375188), (458, 1488382), (574, 1187594), (916, 744191), (1148, 593797), (1603, 425252), (2593, 262892), (3206, 212626), (5186, 131446), (6412, 106313), (9389, 72604), (10372, 65723), (18151, 37556), (18778, 36302)]